feat: better tilemap demo by adding chunk border lines and biome statistics
Signed-off-by: szdytom <szdytom@qq.com>
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072D999D60C6473C
@ -1,4 +1,5 @@
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#include "bmp.h"
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#include "tilemap/biome.h"
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#include "tilemap/generation.h"
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#include "tilemap/tile.h"
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#include "tilemap/tilemap.h"
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@ -45,42 +46,64 @@ BmpColors::Color get_tile_color(const istd::Tile &tile) {
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}
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}
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// Generate BMP file from tilemap
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void generate_bmp(const istd::TileMap &tilemap, const std::string &filename) {
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const int chunks_per_side = tilemap.get_size();
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// Draw a single chunk at the specified pixel offset, with border consideration
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void draw_chunk(
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const istd::TileMap &tilemap, BmpWriter &bmp, int chunk_x, int chunk_y,
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int tile_size, int border_width
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) {
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const int tiles_per_chunk = istd::Chunk::size;
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const int total_tiles = chunks_per_side * tiles_per_chunk;
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const int tile_size = 2; // Size of each tile in pixels
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const int image_size = total_tiles * tile_size;
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BmpWriter bmp(image_size, image_size);
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// Generate tiles
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for (int chunk_y = 0; chunk_y < chunks_per_side; ++chunk_y) {
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for (int chunk_x = 0; chunk_x < chunks_per_side; ++chunk_x) {
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int chunk_pixel_x = chunk_x * (tiles_per_chunk * tile_size + border_width);
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int chunk_pixel_y = chunk_y * (tiles_per_chunk * tile_size + border_width);
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for (int tile_y = 0; tile_y < tiles_per_chunk; ++tile_y) {
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for (int tile_x = 0; tile_x < tiles_per_chunk; ++tile_x) {
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istd::TilePos pos(chunk_x, chunk_y, tile_x, tile_y);
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const auto &tile = tilemap.get_tile(pos);
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int global_x = chunk_x * tiles_per_chunk + tile_x;
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int global_y = chunk_y * tiles_per_chunk + tile_y;
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auto color = get_tile_color(tile);
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int global_x = chunk_pixel_x + tile_x * tile_size;
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int global_y = chunk_pixel_y + tile_y * tile_size;
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// Draw a tile_size x tile_size block
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for (int dy = 0; dy < tile_size; ++dy) {
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for (int dx = 0; dx < tile_size; ++dx) {
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int pixel_x = global_x * tile_size + dx;
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int pixel_y = global_y * tile_size + dy;
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bmp.set_pixel(
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pixel_x, pixel_y, color.r, color.g, color.b
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global_x + dx, global_y + dy, color.r, color.g, color.b
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);
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}
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}
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}
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}
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}
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void generate_bmp(const istd::TileMap &tilemap, const std::string &filename) {
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const int chunks_per_side = tilemap.get_size();
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const int tiles_per_chunk = istd::Chunk::size;
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const int tile_size = 2; // Size of each tile in pixels
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const int border_width = 1; // Border width in pixels
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// Total image size includes borders between chunks
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const int image_size = chunks_per_side * tiles_per_chunk * tile_size
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+ (chunks_per_side - 1) * border_width;
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BmpWriter bmp(image_size, image_size);
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// Draw all chunks
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for (int chunk_y = 0; chunk_y < chunks_per_side; ++chunk_y) {
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for (int chunk_x = 0; chunk_x < chunks_per_side; ++chunk_x) {
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draw_chunk(tilemap, bmp, chunk_x, chunk_y, tile_size, border_width);
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}
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}
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// Draw vertical borders
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for (int chunk_x = 1; chunk_x < chunks_per_side; ++chunk_x) {
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int x = chunk_x * tiles_per_chunk * tile_size
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+ (chunk_x - 1) * border_width;
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for (int y = 0; y < image_size; ++y) {
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bmp.set_pixel(x, y, 0, 0, 0); // Black border
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}
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}
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// Draw horizontal borders
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for (int chunk_y = 1; chunk_y < chunks_per_side; ++chunk_y) {
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int y = chunk_y * tiles_per_chunk * tile_size
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+ (chunk_y - 1) * border_width;
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for (int x = 0; x < image_size; ++x) {
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bmp.set_pixel(x, y, 0, 0, 0); // Black border
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}
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}
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if (!bmp.save(filename)) {
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@ -90,24 +113,58 @@ void generate_bmp(const istd::TileMap &tilemap, const std::string &filename) {
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std::println("BMP file generated: {}", filename);
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std::println("Image size: {}x{} pixels", image_size, image_size);
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std::println("Tilemap size: {}x{} tiles", total_tiles, total_tiles);
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std::println(
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"Tilemap size: {}x{} tiles", chunks_per_side * tiles_per_chunk,
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chunks_per_side * tiles_per_chunk
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);
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std::println("Chunks: {}x{}", chunks_per_side, chunks_per_side);
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}
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// Print statistics about the generated map
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void print_statistics(const istd::TileMap &tilemap) {
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int tile_counts[6] = {
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0
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}; // Count for each base tile type (now 6 types including Deepwater)
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int oil_count = 0; // Count oil surface tiles
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int hematite_count = 0; // Count hematite surface tiles
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int titanomagnetite_count = 0; // Count titanomagnetite surface tiles
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int gibbsite_count = 0; // Count gibbsite surface tiles
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int coal_count = 0; // Count coal surface tiles
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int mountain_edge_count = 0; // Count mountain edge tiles
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int tile_counts[6] = {0};
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int oil_count = 0;
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int hematite_count = 0;
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int titanomagnetite_count = 0;
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int gibbsite_count = 0;
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int coal_count = 0;
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int mountain_edge_count = 0;
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const int chunks_per_side = tilemap.get_size();
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const int tiles_per_chunk = istd::Chunk::size;
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// Biome statistics
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constexpr int biome_count = 9; // Number of biome types
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int biome_stats[biome_count] = {0};
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int total_subchunks = 0;
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for (int chunk_x = 0; chunk_x < chunks_per_side; ++chunk_x) {
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for (int chunk_y = 0; chunk_y < chunks_per_side; ++chunk_y) {
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const auto &chunk = tilemap.get_chunk(chunk_x, chunk_y);
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for (int sub_x = 0; sub_x < istd::Chunk::subchunk_count; ++sub_x) {
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for (int sub_y = 0; sub_y < istd::Chunk::subchunk_count;
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++sub_y) {
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istd::SubChunkPos sub_pos(sub_x, sub_y);
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auto biome = chunk.get_biome(sub_pos);
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biome_stats[static_cast<int>(biome)]++;
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total_subchunks++;
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}
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}
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}
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}
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// Print biome statistics
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std::println("\nBiome Statistics:");
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std::println("=================");
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for (int i = 0; i < biome_count; ++i) {
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double percentage = (double)biome_stats[i] / total_subchunks * 100.0;
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// Get biome name from properties
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auto name = istd::get_biome_properties(static_cast<istd::BiomeType>(i))
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.name;
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std::println(
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"{:>15}: {:>8} ({:.1f}%)", name, biome_stats[i], percentage
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);
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}
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std::println("Total sub-chunks: {}", total_subchunks);
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for (int chunk_x = 0; chunk_x < chunks_per_side; ++chunk_x) {
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for (int chunk_y = 0; chunk_y < chunks_per_side; ++chunk_y) {
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const auto &chunk = tilemap.get_chunk(chunk_x, chunk_y);
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